相对地110kV(直接接地系统)在选择配电装置及电气绝缘水平时，计算用操作过电压水平应为( )。
查看答案
每年2月份的工作日比其他各月少，该月份的工业生产量一般也比其他月份少，这种经济波动属于( )
A. 长期趋势
B. 偶然性波动
C. 季节波动
D. 商业循环
The author cites the example of India to show ______.
A. the backwardness of its own language
B. the importance of learning English
C. the widespread of English language
D. the great influence of the British empire
Advertising men dress people up in white coat because ______.
A. it makes their advertisements more convincing
B. it makes their advertisements more conspicuous
C. the majority of TV doctors are dressed up in white coats
D. it makes the actors take the job seriously
工业生产部门中只包括制造业的国家是( )
A. 美国
B. 新加坡
C. 英国
D. 瑞士
微信支付 
支付宝支付